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changed algorithm of hashing to be compatible with apache standard #18

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merged 2 commits into from
Dec 16, 2023

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sinamna
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@sinamna sinamna commented Dec 14, 2023

Summary by CodeRabbit

  • New Features

    • Introduced a new password hashing mechanism using the Apache htpasswd algorithm.
  • Bug Fixes

    • Removed sensitive information from error log messages to enhance security.
  • Refactor

    • Updated the volume mounting configuration in deployment logic.
    • Replaced MD5 password hashing with a more secure Apache htpasswd method.
  • Documentation

    • Updated import paths reflecting the move to a new hashing package.

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coderabbitai bot commented Dec 14, 2023

Walkthrough

The changes reflect a shift in authentication mechanisms within a software project, moving from MD5-based password hashing to Apache's htpasswd algorithm. This involves updates to error handling, package imports, volume mounting in deployments, and password hashing logic. The modifications enhance security by adopting a more robust password hashing method.

Changes

Files Change Summary
.../basic_authenticator/provision.go Modified error logging messages in ensureSecret method to include htpasswd field.
.../basic_authenticator/workload.go Replaced MD5 hashing with Apache htpasswd, updated package imports, removed SubPath field, and added secret volume items.
pkg/htpasswd/hash.go Added htpasswd package with ApacheHash function for Apache htpasswd algorithm.

🐇
In the warren of code, a change takes its shape,
From MD5 to htpasswd, no password can escape.
With hashes anew, security takes flight,
A hop, a skip, in the moon's gentle light. 🌙
🥕🌟

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Review Status

Actionable comments generated: 4

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between b78a50b and c322547.
Files ignored due to filter (2)
  • go.mod
  • go.sum
Files selected for processing (3)
  • internal/controller/basic_authenticator/provision.go (1 hunks)
  • internal/controller/basic_authenticator/workload.go (5 hunks)
  • pkg/htpasswd/hash.go (1 hunks)
Additional comments: 7
internal/controller/basic_authenticator/provision.go (1)
  • 136-142: Ensure that the updateHtpasswdField function securely hashes the password using the Apache htpasswd algorithm without logging or exposing sensitive information. Since this is a critical security operation, it's important to verify that the implementation is correct and follows best practices for handling credentials.
internal/controller/basic_authenticator/workload.go (4)
  • 131-141: The updateHtpasswdField function correctly implements the new hashing logic using htpasswd.ApacheHash. However, ensure that the salt length and the method used to generate it align with the security standards required by the Apache htpasswd algorithm.

  • 85-90: The addition of the Items field in the secret volume source is correct and aligns with the PR objectives to accommodate the new hashing mechanism.

  • 131-141: The error handling in updateHtpasswdField is well-implemented, providing context for the errors that may occur during the salt generation and password hashing process.

  • 10-10: The import path change from md5 to htpasswd is correct and aligns with the PR objectives to update the hashing algorithm.

pkg/htpasswd/hash.go (2)
  • 5-11: The ApacheHash function correctly uses the apr1 package to hash the password and handles errors appropriately by returning them to the caller.

  • 3-3: Verify that the new apr1 package is properly integrated into the build system and that all references to the old MD5 hashing logic have been removed from the codebase.

Verification successful

Given the lack of output from the previous commands, I will now:

  1. Check the go.mod file directly to confirm the presence of the apr1 package, as the previous command might have missed it due to some reason.
  2. Search for files that might be named with 'md5' in them, as the previous search for the string 'md5' within files returned no results.

The apr1 package is confirmed to be included in the go.mod file as an indirect dependency, which means it is integrated into the build system. Additionally, there are no files with 'md5' in their name, suggesting that the old MD5 hashing logic files have likely been removed.

To ensure thoroughness, I will perform one last check to look for any MD5-related imports or functions that might not include 'md5' in the filename or as a simple string.


The new apr1 package is properly integrated into the build system as an indirect dependency in the go.mod file, and there are no references to the old MD5 hashing logic in the codebase. The changes align with the PR's objective to update the hashing algorithm to be compatible with the Apache standard.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Search for any remaining references to the old MD5 hashing logic.
rg 'md5' --files-with-matches
# Ensure the new package is listed in the project's dependency management file (e.g., go.mod).
rg 'github.com/johnaoss/htpasswd/apr1' go.mod

Length of output: 75



Script:

#!/bin/bash
# Check the content of go.mod to confirm the presence of the apr1 package.
cat go.mod

# Search for files that might be named with 'md5' in them.
fd 'md5'

Length of output: 3819



Script:

#!/bin/bash
# Search for MD5-related imports or functions in the codebase.
rg --files-with-matches --glob '*.go' 'md5' | xargs rg 'import|func'

Length of output: 12571

Comment on lines 128 to 141
if !ok {
return defaultError.New("password not found in secret")
}
htpasswdString := fmt.Sprintf("%s:%s", string(username), md5.MD5Hash(string(password)))
salt, err := random_generator.GenerateRandomString(8)
if err != nil {
return errors.Wrap(err, "failed to generate salt")
}
hashedPassword, err := htpasswd.ApacheHash(string(password), salt)
if err != nil {
return err
}
htpasswdString := fmt.Sprintf("%s:%s", string(username), hashedPassword)
secret.Data["htpasswd"] = []byte(htpasswdString)
return nil
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The updateHtpasswdField function has been updated to use the new ApacheHash function, which is in line with the PR objectives. However, the createCredentials function still uses the old method of generating credentials without hashing. Consider updating this function to hash the credentials using the new ApacheHash function for consistency and security.

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old method use sha hash too. its ok

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@sinamna: Understood, we'll keep the createCredentials function as is with the SHA hashing. Thank you for the clarification.


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Comment on lines 136 to 142
}
err = updateHtpasswdField(&credentialSecret)
if err != nil {
r.logger.Error(err, "failed to add secret to include htpasswd field", "credential secret", credentialSecret)
r.logger.Error(err, "failed to add secret to include htpasswd field")
return subreconciler.RequeueWithError(err)
}
err = r.Update(ctx, &credentialSecret)
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The error message in line 139 still mentions "failed to add secret to include htpasswd field," which could be misleading since the operation is about updating the htpasswd field in the existing secret. Consider rephrasing it to accurately reflect the operation being performed, such as "failed to update secret with htpasswd field."


The error handling throughout the ensureSecret method should be consistent. Ensure that all errors are handled appropriately, and consider adding context to the errors where necessary to aid in debugging without exposing sensitive information.

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Agree

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done

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Looks like humans are talking. I'll be quiet for now. If you need me again, just tag @coderabbitai in a new comment.

internal/controller/basic_authenticator/provision.go Outdated Show resolved Hide resolved
@hoptical hoptical self-requested a review December 15, 2023 13:22
@hoptical hoptical added the enhancement New feature or request label Dec 15, 2023
go.mod Outdated
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I had an error with the packages, and it did not get resolved till I ran go mod tidy. Don't you need to run go mod tidy again?

Comment on lines 136 to 142
}
err = updateHtpasswdField(&credentialSecret)
if err != nil {
r.logger.Error(err, "failed to add secret to include htpasswd field", "credential secret", credentialSecret)
r.logger.Error(err, "failed to add secret to include htpasswd field")
return subreconciler.RequeueWithError(err)
}
err = r.Update(ctx, &credentialSecret)
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Agree

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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between c322547 and db4030a.
Files ignored due to filter (2)
  • go.mod
  • go.sum
Files selected for processing (1)
  • internal/controller/basic_authenticator/provision.go (1 hunks)
Files skipped from review due to trivial changes (1)
  • internal/controller/basic_authenticator/provision.go

@sinamna sinamna merged commit dee3ea3 into main Dec 16, 2023
1 check passed
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2 participants